I was just thinking about this: fundamentally, what is the difference between a spreadsheet file with many sheets (technically, isn't it a relational database?) and an SQL DB?<BR><BR>There has to ...

Traditional relational databases, the powerhouse of software applications since the 1980s, work well when your data is predictable and fits well into tables, columns, rows, and wherever queries ...

The relational database is an implementation of an idea. It is because of this idea–implementation relationship that so many differing relational database products exist in the market. As well, it is ...

Relational closure is one of those characteristics that define the database management system as truly relational, and the most fun aspect of relational closure is that “grids are everything.” There ...